I've ordered name brand and generic from Canada and it is much cheaper than buying it in the USA.
If you're uninsured, you could try geting it directly through proctor and gamble. I have been getting it for free through their patient assistance program.
August 08 - December 08: Relapse & Anemic - Treated with Asacol (9/day) + Canasa 2x/day
January 09 - December 09: Remission!! Canasa nightly + Asacol (9/day) + Probiotics + Iron
December 09 - January 10: Flare :(
Current: 2.5mg prednisone, 9 Asacol